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1.
PLoS One ; 16(8): e0256022, 2021.
Article in English | MEDLINE | ID: covidwho-1352710

ABSTRACT

BACKGROUND: The coronavirus disease 2019 (COVID-19) pandemic rapidly increases the use of mechanical ventilation (MV). Such cases further require extracorporeal membrane oxygenation (ECMO) and have a high mortality. OBJECTIVE: We aimed to identify prognostic biomarkers pathophysiologically reflecting future deterioration of COVID-19. METHODS: Clinical, laboratory, and outcome data were collected from 102 patients with moderate to severe COVID-19. Interleukin (IL)-6 level and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) RNA copy number in plasma were assessed with ELISA kit and quantitative PCR. RESULTS: Twelve patients died or required ECMO owing to acute respiratory distress syndrome despite the use of MV. Among various variables, a ratio of oxygen saturation to fraction of inspired oxygen (SpO2/FiO2), IL-6, and SARS-CoV-2 RNA on admission before intubation were strongly predictive of fatal outcomes after the MV use. Moreover, among these variables, combining SpO2/FiO2, IL-6, and SARS-CoV-2 RNA showed the highest accuracy (area under the curve: 0.934). In patients with low SpO2/FiO2 (< 261), fatal event-rate after the MV use at the 30-day was significantly higher in patients with high IL-6 (> 49 pg/mL) and SARS-CoV-2 RNAaemia (> 1.5 copies/µL) compared to those with high IL-6 or RNAaemia or without high IL-6 and RNAaemia (88% vs. 22% or 8%, log-rank test P = 0.0097 or P < 0.0001, respectively). CONCLUSIONS: Combining SpO2/FiO2 with high IL-6 and SARS-CoV-2 RNAaemia which reflect hyperinflammation and viral overload allows accurately and before intubation identifying COVID-19 patients at high risk for ECMO use or in-hospital death despite the use of MV.


Subject(s)
COVID-19/mortality , Interleukin-6/blood , RNA, Viral/metabolism , SARS-CoV-2/genetics , Adult , Aged , Aged, 80 and over , Area Under Curve , COVID-19/pathology , COVID-19/virology , Female , Hospital Mortality , Humans , Male , Middle Aged , Oxygen Consumption , Prognosis , Prospective Studies , ROC Curve , Respiration, Artificial , SARS-CoV-2/isolation & purification , Viral Load
2.
Acute Med Surg ; 7(1): e536, 2020.
Article in English | MEDLINE | ID: covidwho-660193

ABSTRACT

Aim: The coronavirus disease 2019 (COVID-19) pandemic has accelerated all over the world, and global health-care systems have become overwhelmed with potentially infectious patients seeking testing and care. It is essential to set up effective and useful zoning to prevent the spread of infection to and from medical staff or other patients with effective use of standard precautions with personal protective equipment (PPE). Methods: We repurposed a general ward into an acute care unit for severe COVID-19 patients taking into consideration airflow, the direction of movement of medical staff, and prevention of the spread of infection to medical staff and other patients. We checked the daily condition and body temperature of all medical staff for 60 days. Results: There was no evidence of COVID-19 infection in any medical staff or other patients during the period thanks to effective and useful zoning with PPE. Conclusion: Special wards and rooms should be set up for future protection of medical staff and other patients, and prevent the explosion of COVID-19 infection with effective and useful zoning with PPE.

4.
J Infect Chemother ; 26(8): 865-869, 2020 Aug.
Article in English | MEDLINE | ID: covidwho-245541

ABSTRACT

We investigated the clinical course of individuals with 2019 novel coronavirus disease (COVID-19) who were transferred from the Diamond Princess cruise ship to 12 local hospitals. The conditions and clinical courses of patients with pneumonia were compared with those of patients without pneumonia. Among 70 patients (median age: 67 years) analyzed, the major symptoms were fever (64.3%), cough (54.3%), and general fatigue (24.3%). Forty-three patients (61.4%) had pneumonia. Higher body temperature, heart rate, and respiratory rate as well as higher of lactate dehydrogenase (LDH), aspartate aminotransferase (AST), and C-reactive protein (CRP) levels and lower serum albumin level and lymphocyte count were associated with the presence of pneumonia. Ground-glass opacity was found in 97.7% of the patients with pneumonia. Patients were administered neuraminidase inhibitors (20%), lopinavir/ritonavir (32.9%), and ciclesonide inhalation (11.4%). Mechanical ventilation and veno-venous extracorporeal membrane oxygenation was performed on 14 (20%) and 2 (2.9%) patients, respectively; two patients died. The median duration of intubation was 12 days. The patients with COVID-19 transferred to local hospitals during the outbreak had severe conditions and needed close monitoring. The severity of COVID-19 depends on the presence of pneumonia. High serum LDH, AST and CRP levels and low serum albumin level and lymphocyte count were found to be predictors of pneumonia. It was challenging for local hospitals to admit and treat these patients during the outbreak of COVID-19. Assessment of severity was crucial to manage a large number of patients.


Subject(s)
Betacoronavirus , Coronavirus Infections/physiopathology , Coronavirus Infections/therapy , Disease Outbreaks , Pneumonia, Viral/physiopathology , Pneumonia, Viral/therapy , Aged , COVID-19 , Coronavirus Infections/complications , Diabetes Complications/complications , Female , Humans , Hypertension/complications , Japan , Male , Middle Aged , Pandemics , Patient Acuity , Pneumonia, Viral/complications , Pneumonia, Viral/virology , Prognosis , SARS-CoV-2 , Ships
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